Public Health

Vitamin D deficiency linked to severe COVID-19 and death, study confirms

Vitamin D is most often recognized for its role in bone health, but low levels of the supplement have been associated with a range...

Some COVID patients show Alzheimer’s-like brain changes

In a new study from Columbia University, researchers found that the brains of a small sample of patients who died of COVID display some...

COVID-19 booster effectively prevents severe illness and hospitalization

In a new study from the Center for Disease Control and Prevention, researchers found COVID-19 booster vaccinations improve protection against severe illness and hospitalization. They...

These people have highest COVID-19 risk, hospitalization

In a new study from the Los Angeles County Department of Public Health, researchers found COVID-19 risk and hospitalization are consistently higher for unvaccinated...

Scientists find the cause of smell loss in COVID-19

In a new study from NYU Grossman School of Medicine, researchers have discovered a mechanism that may explain why COVID-19 patients lose their sense...

Scientists find how to minimize lung damage in COVID patients

In a new study, researchers found that a combined treatment strategy targeting SARS-CoV-2 symptoms and severe lung tissue injury plays a critical role in...

These 7 things can increase death risk in COVID-19

In a new study from the Imperial College London and elsewhere, researchers found the risk of death for patients with SARS-CoV-2 infection and thoracic...

Scientists develops a stronger, broader single-dose COVID vaccine

The first generation of COVID-19 vaccines have been highly effective, but also have limitations: their efficacy can wane without a booster shot, and they...

Compound in the herb rosemary may fight COVID-19, Alzheimer’s disease

In a new study from Scripps Research, researchers found evidence that a compound contained in the medicinal and culinary herb rosemary could be a...

Current COVID vaccines induce robust immunity against omicron

On January 11, the United States reported a record-breaking 1.35 million new COVID-19 infections, shattering the previous record set just eight days before. The sky-high...